Incident Score: Analysis & Impact (MCC1772132592)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of McCANN New York's Breach and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts McCANN New York Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the McCANN New York breach identified under incident ID MCC1772132592.
The analysis begins with a detailed overview of McCANN New York's information like the linkedin page: https://www.linkedin.com/company/mccannnewyork, the number of followers: 123134, the industry type: Advertising Services and the number of employees: 373 employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 756 and after the incident was 696 with a difference of -60 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on McCANN New York and their customers.
On 06 February 2026, MCC disclosed Data Breach issues under the banner "MCC Data Breach Impacting Sensitive Health and Personal Information".
MCC recently disclosed a data breach involving unauthorized access to its computer network, potentially compromising sensitive personal identifiable information (PII) and protected health information (PHI).
The disruption is felt across the environment, affecting Computer network, and exposing Sensitive personal identifiable information (PII) and protected health information (PHI).
In response, and stakeholders are being briefed through Breach notice published on website and filed report with U.S. Department of Health and Human Services’ Office for Civil Rights.
The case underscores how Completed (initial investigation), with advisories going out to stakeholders covering Offering complimentary credit monitoring services and detailed breakdown of impacted data types.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating unauthorized access to its computer network and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating unauthorized activity on its systems (no specific vector). Under the Persistence tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (50%), supported by evidence indicating access and exfiltrated files between November 22 and December 6, 2025. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating unauthorized third party accessed computer network. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate confidence (60%), supported by evidence indicating review to identify affected individuals and scope of compromised information. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating names, medical records, and health insurance details exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized third party accessed and exfiltrated files and Transfer Data to Cloud Account (T1537) with lower confidence (40%), supported by evidence indicating data exfiltration confirmed (no specific method). Under the Impact tactic, the analysis identified Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (30%), supported by evidence indicating sensitive PII/PHI compromised (potential manipulation). These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- McCANN New York Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/mccannnewyork/incident/MCC1772132592
- McCANN New York CyberSecurity Rating page: https://www.rankiteo.com/company/mccannnewyork
- McCANN New York Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/mcc1772132592-mcc-breach-february-2026/
- McCANN New York CyberSecurity Score History: https://www.rankiteo.com/company/mccannnewyork/history
- McCANN New York CyberSecurity Incident Source: https://straussborrelli.com/2026/02/24/marin-cancer-care-data-breach-investigation/
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf